const http = require('http');
const server = http.createServer()

server.on('request',(req,res)=>{
    const {url,method} = req;
    let content = '<h1>404 NOT found</h1>';
    if(url === "/" || url === "/index.html"){
        content = "<h1>首页</h1>"; 
    }else if(url === "/about.html"){
        content = '<h1>关于</h1>'
    }
    res.setHeader('Content-Type','text/html;charset=utf-8');
    res.end(content);
})

server.listen(80,()=>{
    console.log("http://127.0.0.1")
})